18. Which of the following hydrolytic enzymes act in low pH?
(a) Peroxidases
(b) Hydrolases
(c) Amylases
(d) Proteases
Answer:
19. Which of the following is synthesized and stored in the liver cells?
(a) Calactose
kb) Lactose
(c) Glycogen
(d) Arabinose
Answer:
Answers
Answer:
B). Hydrolases
Hydrolases
The stomach has low pH due to the secretion of HCl. Protease, an enzyme for digesting protein acts in low pH i.e. in the stomach. Amylase is a starch (carbohydrate) digesting enzyme and carbohydrate digestion does not occur in the stomach. All digestive enzymes are hydrolases. Peroxidase is an iron-containing enzyme, found mainly in plants but also present in leucocytes and milk, that catalyses the dehydrogenation (oxidation) of various substances in the presence of hydrogen peroxide.
C) Glycogen
Glycogen is a storage, homopolysaccharides with digestable branched chain. Glycogen is synthesised from glucose through glycogenesis and is stored in hepatic cells of liver and muscles in human body. When needed, glycogen is hydrolysed to form glucose through glycogenolysis and released into blood stream.Read more on Sarthaks.com - https://www.sarthaks.com/188088/polysaccharide-which-synthesised-and-stored-in-liver-cells-lactose-galactose-arabinose